public class Solution2 {
    public static void main(String[] args) {
        int[][] costs = {{17,2,17}, {16,16,5}, {14,3,19}};
        System.out.println(minCost(costs));
    }
    public static int minCost(int[][] costs) {
        int n = costs.length;
        int[][] dp = new int[n + 1][3];
        for(int i = 1; i <= n; i++) {
            dp[i][0] = Math.min(dp[i - 1][1], dp[i - 1][2]) + costs[i - 1][0];
            dp[i][1] = Math.min(dp[i - 1][0], dp[i - 1][2]) + costs[i - 1][1];
            dp[i][2] = Math.min(dp[i - 1][0], dp[i - 1][1]) + costs[i - 1][2];
        }
        return Math.min(dp[n][0], Math.min(dp[n][1], dp[n][2]));
    }
}
